Home / 400,941.35-601,501.78-134,694.60

Finding the Fourth Proportional to 400,941.35, 601,501.78 and 134,694.60

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Solution

The fourth proportional to 400,941.35, 601,501.78 and 134,694.60 is: 202,072.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,941.35 : 601,501.78 = 134,694.60 : x
  2. Step 2: Convert to fraction form
    400,941.35/601,501.78 = 134,694.60/x
  3. Step 3: Cross multiply
    400,941.35x = 601,501.78 × 134,694.60
  4. Step 4: Simplify right side
    400,941.35x = 81,019,039,569.12
  5. Step 5: Solve for x
    x = 81,019,039,569.12/400,941.35
  6. Step 6: Final answer
    x = 202,072.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.